3 Pairs Thermal 80% Merino Wool Socks: Thermal Socks, Crew Socks, Hiking Socks for Winter, Men, Women, Kids Merino wool hiking socks men, merino wool hiking socks women are warmer and softer than regular socks; These wool socks are: 80% Merino; Other materials: 17% Nylon, 2% Spandex, 1% Elastic Very comfortable and cozy merino wool socks for wearing around the house; These wool socks have a reinforced heel for extended wear with a cushioned heel and built-in arch support; Merino wool socks women, merino wool socks mens are ideal warm socks for winter Merino wool socks have a stay-up performance comfort top and are designed for extreme weather conditions; Merino wool hiking socks are great cold weather gear for outdoor activities and sports like skiing; Merino wool socks, wool socks women, wool socks mens are essential camping accessories, camping gear 3 Colors: Marled Black, Brown, & Gray; NOTE Size XS: 60% Merino & darker colors (see photo) X-Small fits little kids shoe size 9.5-13 (for boys & girls); Small fits big kids shoes size 1-3.5, women's 3-5.5 (for boys, girls, women); Medium fits mens shoe size 5-8.5, womens 6-10.5, Large fits mens shoe size 9-12, womens 11-13